Demographics Table
County![]() |
Value (Percent)![]() |
People (Age 18-39)![]() |
Rank within US (of 3146 counties) ![]() |
---|---|---|---|
United States | 29.8 | 96,748,047 | N/A |
Iowa | 29.0 | 911,848 | 20 of 52 |
Wright County | 23.2 | 2,961 | 746 |
Worth County | 24.4 | 1,817 | 1,102 |
Woodbury County | 29.3 | 30,080 | 2,497 |
Winneshiek County | 29.7 | 6,021 | 2,564 |
Winnebago County | 26.3 | 2,773 | 1,757 |
Webster County | 29.8 | 10,898 | 2,584 |
Wayne County | 22.2 | 1,425 | 474 |
Washington County | 24.7 | 5,464 | 1,206 |
Warren County | 27.4 | 13,740 | 2,078 |
Wapello County | 27.9 | 9,820 | 2,208 |
Van Buren County | 21.0 | 1,500 | 270 |
Union County | 27.3 | 3,372 | 2,032 |
Taylor County | 24.3 | 1,501 | 1,074 |
Tama County | 22.9 | 3,905 | 657 |
Story County | 49.9 | 48,327 | 3,136 |
Sioux County | 31.2 | 10,867 | 2,753 |
Shelby County | 22.1 | 2,566 | 461 |
Scott County | 28.5 | 49,096 | 2,327 |
Sac County | 21.1 | 2,065 | 278 |
Ringgold County | 21.9 | 1,085 | 400 |
Poweshiek County | 29.6 | 5,444 | 2,547 |
Pottawattamie County | 26.9 | 25,087 | 1,919 |
Polk County | 31.4 | 150,626 | 2,775 |
Pocahontas County | 20.7 | 1,405 | 240 |
Plymouth County | 25.0 | 6,269 | 1,311 |
Palo Alto County | 24.9 | 2,246 | 1,285 |
Page County | 25.8 | 3,940 | 1,567 |
Osceola County | 22.8 | 1,380 | 625 |
O'Brien County | 22.8 | 3,148 | 605 |
Muscatine County | 27.6 | 11,834 | 2,120 |
Montgomery County | 21.6 | 2,175 | 353 |
Monroe County | 22.4 | 1,750 | 537 |
Monona County | 23.3 | 2,030 | 748 |
Mitchell County | 22.3 | 2,365 | 504 |
Mills County | 23.6 | 3,543 | 838 |
Marshall County | 26.2 | 10,474 | 1,717 |
Marion County | 27.5 | 9,131 | 2,098 |
Mahaska County | 26.7 | 5,909 | 1,858 |
Madison County | 24.4 | 3,913 | 1,113 |
Lyon County | 24.3 | 2,857 | 1,051 |
Lucas County | 22.2 | 1,907 | 485 |
Louisa County | 25.2 | 2,819 | 1,389 |
Linn County | 29.6 | 66,374 | 2,553 |
Lee County | 24.8 | 8,473 | 1,223 |
Kossuth County | 23.1 | 3,467 | 719 |
Keokuk County | 23.0 | 2,341 | 675 |
Jones County | 25.0 | 5,148 | 1,325 |
Johnson County | 43.2 | 64,192 | 3,106 |
Jefferson County | 29.2 | 5,301 | 2,481 |
Jasper County | 25.4 | 9,398 | 1,452 |
Jackson County | 23.7 | 4,594 | 871 |
Iowa County | 24.2 | 3,920 | 1,033 |
Ida County | 22.7 | 1,567 | 588 |
Humboldt County | 24.1 | 2,306 | 1,004 |
Howard County | 23.1 | 2,128 | 699 |
Henry County | 28.5 | 5,691 | 2,348 |
Harrison County | 22.7 | 3,196 | 585 |
Hardin County | 24.0 | 4,096 | 964 |
Hancock County | 23.2 | 2,504 | 731 |
Hamilton County | 23.5 | 3,523 | 821 |
Guthrie County | 21.6 | 2,302 | 344 |
Grundy County | 23.5 | 2,885 | 809 |
Greene County | 22.2 | 1,986 | 479 |
Fremont County | 21.2 | 1,471 | 290 |
Franklin County | 23.8 | 2,414 | 891 |
Floyd County | 23.7 | 3,743 | 876 |
Fayette County | 25.6 | 5,072 | 1,508 |
Emmet County | 25.9 | 2,446 | 1,606 |
Dubuque County | 28.4 | 27,529 | 2,306 |
Dickinson County | 22.9 | 3,914 | 634 |
Des Moines County | 24.2 | 9,519 | 1,012 |
Delaware County | 22.1 | 3,794 | 451 |
Decatur County | 32.1 | 2,561 | 2,828 |
Davis County | 24.7 | 2,207 | 1,217 |
Dallas County | 30.5 | 26,582 | 2,684 |
Crawford County | 26.7 | 4,550 | 1,872 |
Clinton County | 24.5 | 11,487 | 1,128 |
Clayton County | 22.0 | 3,874 | 425 |
Clay County | 23.8 | 3,864 | 922 |
Clarke County | 25.1 | 2,346 | 1,332 |
Chickasaw County | 22.1 | 2,661 | 465 |
Cherokee County | 22.7 | 2,576 | 589 |
Cerro Gordo County | 24.9 | 10,663 | 1,267 |
Cedar County | 23.0 | 4,252 | 691 |
Cass County | 21.7 | 2,837 | 361 |
Carroll County | 23.0 | 4,660 | 674 |
Calhoun County | 24.4 | 2,377 | 1,096 |
Butler County | 21.7 | 3,180 | 373 |
Buena Vista County | 30.5 | 6,108 | 2,675 |
Buchanan County | 24.1 | 5,097 | 1,003 |
Bremer County | 27.9 | 6,937 | 2,195 |
Boone County | 25.9 | 6,836 | 1,608 |
Black Hawk County | 34.5 | 45,635 | 2,953 |
Benton County | 23.7 | 6,083 | 882 |
Audubon County | 22.0 | 1,225 | 429 |
Appanoose County | 22.9 | 2,855 | 658 |
Allamakee County | 22.4 | 3,092 | 529 |
Adams County | 22.6 | 831 | 573 |
Adair County | 23.2 | 1,643 | 733 |
Notes:
Created by statecancerprofiles.cancer.gov on 03/23/2023 4:59 am.
Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Population: Age 18-39, see the dictionary.
Health Service Areas are a single county or cluster of contiguous counties which are relatively self-contained with respect to hospital care. For more detailed information, please see Health Service Area information page. Puerto Rico is being treated as a Health Service Area for this data presentation.
Data for United States does not include Puerto Rico.
Created by statecancerprofiles.cancer.gov on 03/23/2023 4:59 am.
Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Population: Age 18-39, see the dictionary.
Health Service Areas are a single county or cluster of contiguous counties which are relatively self-contained with respect to hospital care. For more detailed information, please see Health Service Area information page. Puerto Rico is being treated as a Health Service Area for this data presentation.
Data for United States does not include Puerto Rico.